Morphological changes of the rat intestine during reproduction.
D000818:Animals; D001835:Body Weight; D004032:Diet; D005260:Female; D005865:Gestational Age; D007421:Intestine, Small / Q000033:anatomy & histology*; D007583:Jejunum / Q000033:anatomy & histology; D007774:Lactation; D009929:Organ Size; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D013997:Time Factors